body{
	margin: 0;
	padding: 0;
    font-family: "微软雅黑";
    position: relative;
    width: 100vw;
 
}
a:link {color:#000;}/* 未被访问的链接 */

a:visited {color:#000;}/* 已被访问的链接 */

a:hover {color:#000;}/* 鼠标指针移动到链接上 */

a:active {color:#000; text-decoration: none;}/* 正在被点击的链接 */

.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
  }
.home{
    position: relative;
    overflow: hidden;
}
.home img{
    width: 100vw;
    /* height: 92vh; */
}
.nav{
    position: fixed;
    bottom: 0;
}
.nav div{
    text-align: center;
    float: left;
    line-height: 8vh;
    width: 50vw;
    color: #111;
}
.nav .push {
    background: rgb(228 ,80 ,82);
    color: #fff;
}
.nav .join {
    background: #fff;
    color: black;
}